www.etec.dk electronic technical engineering & construction |
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This is a shortform introduction to the various items we manufacture. We also do custom designs. Please ask if you have any special demands. Please remember to order in the winter time where we have the time to do special orders. Spring and summertime is reserved for stock orders and standard delivery. |
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MPA102-MK2-H2R Set of Hydrophone and a Listening Amplifier. An etec.dk modified version of the IMG MPA-102 Phantom powered hydrophone AquarianAudio H2A-XLR Price inclusive hydrophone euro € 1.000,- Phantom Powered Hydrophone Amplifier setup with XLR connector suitable for any type of commersial mixing console or redording device. This setup is a low cost kit especially intended for underwater listening and detection of leakage in water tanks or in pipelines or other kind of audible sound information in liquids. The MPA-102 amplifier is a stand alone unit with build in batteries and 70dB of gain. It features a 24Volt phantom power supply to drive an active hydrophone equipped with the standard 3pole XLR connector. High signal output due to a high supply voltage of 4 pcs 9 volt square batteries. The amplifier may also be powered from the included mains powered wall plug AC adaptor. Frequency range from 10Hz to 50kHz. plus a very high gain of 70dB. High and Low pass filters for emphasizing the listening frequency range. A mixing function to connect with a monitor amplifier or a set of headphones. |
This unit is compatible with most any type of professional studio recording and reproduction equipment. We recommend the ZOOM type H4 handheld digital recorder to supplement this listening amplifier for recordings and documentation. This device will record the audible range 20hz to 20kHz. For the wider bandwidth of 10Hz to 50kHz we recommend the audio interface AD converter adaptors from ZOOM. They are designed to be connected to a computer with USB interface for recording. Types in qestion could be the following units which offers up to 192khz of sampling rate : ZOOM UAC-2 for Windows USB ZOOM TAC-2 for MAC Thunderbolt ZOOM F8 for 8 channel high quality multitrack recordings. Links in question herewith : https://www.zoom-na.com/products/production-recording/audio-interfaces/zoom-uac-2-usb-30-audio-converter https://www.zoom-na.com/products/production-recording/audio-interfaces/zoom-tac-2r-thunderbolt-audio-converter https://www.zoom-na.com/products/field-video-recording/field-recording/zoom-f8-multitrack-field-recorder#features http://www.aquarianaudio.com/h2a-xlr-hydrophone.html |
MPA102-MK2-SQ26 Set of Hydrophone and a Listening Amplifier. An etec.dk modified version of the IMG MPA-102 Phantom powered hydrophone SensorTech SQ26-XLR Price inclusive hydrophone euro € 1.500,-
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Text same as above exept that the hydrophone has a wider frequncy range. |
MPA102-MK2-TC4033/TC4034/TC4038 Set of Hydrophone and a Listening Amplifier. An etec.dk modified version of the IMG MPA-102 Hydrophone Teledyne-Reson TC4033 or TC4034 XLR Preamplifier for passive Hydrophone Price inclusive hydrophone and preamplifier euro € 2.000,- Text same as above exept that the hydrophone here is passive thus requires a preamplifier to convert the high impedance of the hydrophone to match the standard imput of the amplifier. The XLR preamplifier may be purchased separately for other purposes. The type is XLR4816
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B2008 Multichannel Hydrophone Amplifier Price for 8 channels complete euro € 2.800,-
Compact unit containing 8 channels of high performance amplifiers in a19inch rack. May be configured either as a charge- or a voltage amplifier. There are 5 control button switches for : Input capacitance - Input resistance - High pass filter - Low pass filter and gain. Gain of 90dB may be optainable with this unit. |
B2216 Multichannel Hydrophone Amplifier Price for 16 channels complete euro € 3.200,- Ultra compact unit with 16 individual high performance hydrophone amplifiers in a19inch rack. Lowest possible cost of 16 channels of hydrophone amplifiers. All amplifiers are presetable with gain of 10dB to 60dB and High pass filters and Low pass filters. There are 4 steps each on both Hi- and Low pass filters and gain. Filter responses and gain are to be preset internally by means of circuit jumpers. Settings may be custom configured within the range 10Hz to 700kHz and 10 to 60dB.
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